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Cash and cash equivalents and short-term deposit (Tables) | 12 Months Ended
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Dec. 31, 2022
Cash and Cash Equivalents and Short-Term Deposit [Abstract] |
Schedule of cash and cash equivalents and short-term deposit |
|  | December 31, 2021 |  |  | December 31, 2022 |
(In thousands) |  | Original currency |  |  | US$ equivalent |  |  | Original currency |  |  | US$ Equivalent |
US$ |  |  | 3,195 |  |  |  | 3,195 |  |  |  | 6,276 |  |  |  | 6,276 |
RMB |  |  | 13,433 |  |  |  | 2,107 |  |  |  | 27,129 |  |  |  | 3,895 |
JPY |  |  | 158,479 |  |  |  | 1,192 |  |  |  | 448,139 |  |  |  | 3,370 |
HKD |  |  | 5,791 |  |  |  | 743 |  |  |  | 5,411 |  |  |  | 695 |
Others |  |  |  |  |  |  | 827 |  |  |  |  |  |  |  | 882 |
Total |  |  |  |  |  |  | 8,064 |  |  |  |  |  |  |  | 15,118 |

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- Definition Tabular disclosure of the components of cash and cash equivalents. + References No definition available. + Details
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